Declension table of ?upasaṅkramaṇa

Neuter	Singular	Dual	Plural
Nominative	upasaṅkramaṇam	upasaṅkramaṇe	upasaṅkramaṇāni
Vocative	upasaṅkramaṇa	upasaṅkramaṇe	upasaṅkramaṇāni
Accusative	upasaṅkramaṇam	upasaṅkramaṇe	upasaṅkramaṇāni
Instrumental	upasaṅkramaṇena	upasaṅkramaṇābhyām	upasaṅkramaṇaiḥ
Dative	upasaṅkramaṇāya	upasaṅkramaṇābhyām	upasaṅkramaṇebhyaḥ
Ablative	upasaṅkramaṇāt	upasaṅkramaṇābhyām	upasaṅkramaṇebhyaḥ
Genitive	upasaṅkramaṇasya	upasaṅkramaṇayoḥ	upasaṅkramaṇānām
Locative	upasaṅkramaṇe	upasaṅkramaṇayoḥ	upasaṅkramaṇeṣu

Compound upasaṅkramaṇa -

Adverb -upasaṅkramaṇam -upasaṅkramaṇāt